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Cell Wall Pectin and its Methyl-esterification in Transition Zone Determine Al Resistance in Cultivars of Pea (Pisum sativum)

Overview of attention for article published in Frontiers in Plant Science, February 2016
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Title
Cell Wall Pectin and its Methyl-esterification in Transition Zone Determine Al Resistance in Cultivars of Pea (Pisum sativum)
Published in
Frontiers in Plant Science, February 2016
DOI 10.3389/fpls.2016.00039
Pubmed ID
Authors

Xuewen Li, Yalin Li, Mei Qu, Hongdong Xiao, Yingming Feng, Jiayou Liu, Lishu Wu, Min Yu

Abstract

The initial response of plants to aluminum (Al) is the inhibition of root elongation, while the transition zone is the most Al sensitive zone in the root apex, which may sense the presence of Al and regulate the responses of root to Al toxicity. In the present study, the effect of Al treatment (30 μM, 24 h) on root growth, Al accumulation, and properties of cell wall of two pea (Pisum sativum L.) cultivars, cv Onward (Al-resistant) and cv Sima (Al-sensitive), were studied to disclose whether the response of root transition zone to Al toxicity determines Al resistance in pea cultivars. The lower relative root elongation (RRE) and higher Al content were founded in cv Sima compared with cv Onward, which were related to Al-induced the increase of pectin in root segments of both cultivars. The increase of pectin is more prominent in Al-sensitive cultivar than in Al-resistant cultivar. Aluminum toxicity also induced the increase of pectin methylesterases (PME), which is 2.2 times in root transition zone in Al-sensitive cv Sima to that of Al resistant cv Onward, thus led to higher demethylesterified pectin content in root transition zone of Al-sensitive cv Sima. The higher demethylesterified pectin content in root transition zone resulted in more Al accumulation in the cell wall and cytosol in Al-sensitive cv Sima. Our results provide evidence that the increase of pectin content and PME activity under Al toxicity cooperates to determine Al sensitivity in root transition zone that confers Al resistance in cultivars of pea (Pisum sativum).

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 32 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 32 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 7 22%
Researcher 5 16%
Student > Bachelor 5 16%
Student > Postgraduate 2 6%
Student > Master 2 6%
Other 3 9%
Unknown 8 25%
Readers by discipline Count As %
Agricultural and Biological Sciences 16 50%
Biochemistry, Genetics and Molecular Biology 2 6%
Nursing and Health Professions 2 6%
Environmental Science 1 3%
Computer Science 1 3%
Other 3 9%
Unknown 7 22%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 01 February 2016.
All research outputs
#20,303,950
of 22,842,950 outputs
Outputs from Frontiers in Plant Science
#16,060
of 20,166 outputs
Outputs of similar age
#334,171
of 397,369 outputs
Outputs of similar age from Frontiers in Plant Science
#365
of 498 outputs
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